Up to six million Instagram users' personal information has been stolen in a new hack. The news comes less than a week after Selena Gomez's account was compromised and used to leak Justin Bieber's nudes.

According to the company, the hack which left phone numbers and emails exposed was the result of a bug which has now been fixed. Unfortunately, hackers already compiled the data on a now-shutdown site, Doxagram, where they were selling the information.

Some of the celebrities affected reportedly include Beyoncé, Rihanna, Taylor Swift, Leonardo DiCaprio, Floyd Mayweather, Harry Styles, Emma Watson, Emilia Clarke and Zac Efron.

In a statement, Instagram's CTO Mike Krieger wrote that the company "quickly fixed the bug, and have been working with law enforcement on the matter." He also advised users to "be vigilant about the security of their account and exercise caution if they encounter any suspicious activity such as unrecognized incoming calls, texts and emails."

In other tech news, Tinder is now the top-grossing iOS app.

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